Hello

Apologies for the inconvenience.

Could you kindly take out some moment to check out the following links and see if these help you?

https://www.joomshaper.com/documentation/sp-page-builder/sp-page-builder-3/troubleshooting#frontpage-editor-not-working-possible-solution

https://www.joomshaper.com/documentation/sp-page-builder/sp-page-builder-3/faq-problems-solutions#i-cannot-edit-pages-from-front-end

https://www.joomshaper.com/documentation/sp-page-builder/sp-page-builder-3#if-you-cannot-load-page-templates-or-sections-library-or-use-front-end-editor-span-class-h4-br-span

Note: Kindly make sure to check all the technical requirements, PHP configuration and the following links. Also, from your backend if there are some updates pending including the JCE Editor, kindly make sure to update it.

You will find all these information in the links I have shared.

Please do let me know if the issue still persists.